<template>
  <div>
    <!-- Header 区域 -->
    <van-nav-bar
      fixed
      title="文章详情"
      left-arrow
      @click-left="$router.go(-1)"

    />

    <!-- 文章信息区域 -->
    <div class="article-container">
      <!-- 文章标题 -->
      <h1 class="art-title">{{artObj.title}}</h1>

      <!-- 用户信息 -->
      <van-cell
      center
      :title="artObj.aut_name"
      :label="fromatTimeAgoFn(artObj.pubdate)">
        <template #icon>
          <img
          :src="artObj.aut_photo"
          alt="avatar"
          class="avatar"
          />
        </template>
        <template #default>
          <div>
            <van-button
            v-if="artObj.is_followed"
            type="info"
            size="mini"
            @click="followOrunFollowFn(true)"
            >已关注</van-button>
            <van-button
            v-else
            icon="plus"
            type="info"
            @click="followOrunFollowFn(false)"
            size="mini"
            plain
              >关注</van-button
            >
          </div>
        </template>
      </van-cell>

      <!-- 分割线 -->
      <van-divider></van-divider>

      <!-- 文章内容 -->
      <div class="art-content" v-html="artObj.content"></div>

      <!-- 分割线 -->
      <van-divider>End</van-divider>

      <!-- 点赞 -->
      <div class="like-box">
        <van-button
        v-if="artObj.attitude ===1"
        icon="good-job"
        type="danger"
        size="small"
        @click="likeOrDislikeFn(1)"
        plain
          >已点赞</van-button
        >
        <van-button
        v-else
        icon="good-job-o"
        type="danger"
        @click="likeOrDislikeFn(-1)"
        plain
        size="small"
          >点赞</van-button
        >
      </div>
    </div>

    <!-- 文章评论 -->

  </div>
</template>

<script>
import { getArticleDetailAPI, followAuthAPI, unfollowAuthAPI, liekArtAPI, dsliekArtAPI } from '@/api/article'
import { fromatTimeAgoFn } from '@/utils/date'
import { Toast } from 'vant'
export default {
  data () {
    return {
      artObj: {}
    }
  },
  async created () {
    const resp = await getArticleDetailAPI({
      artId: this.$route.query.art_id
    })
    this.artObj = resp.data
    console.log(resp)
  },
  methods: {
    // 导入转换后的时间
    fromatTimeAgoFn,
    // 关注和去管
    async followOrunFollowFn (isFollowed) {
      // 取消关注，取反即可
      this.artObj.is_followed = !this.artObj.is_followed
      try {
        isFollowed ? await unfollowAuthAPI({
          autId: this.artObj.aut_id
        }) : await followAuthAPI({
          autId: this.artObj.aut_id
        })
        Toast.success(isFollowed ? '取关成功' : '关注成功')
      } catch (e) {
        Toast.fail(isFollowed ? '取关失败' : '关注失败')
      }
    },
    // 点赞和取消点赞
    async likeOrDislikeFn (attitude) {
      // 判断取反
      this.artObj.attitude = this.artObj.attitude === 1 ? -1 : 1
      try {
        attitude === 1 ? await dsliekArtAPI({
          artId: this.artObj.art_id
        }) : await liekArtAPI({
          artId: this.artObj.art_id
        })
        Toast.success(attitude === 1 ? '取消点赞成功' : '点赞成功')
      } catch (e) {
        Toast.fail(attitude === 1 ? '取消点赞失败' : '点赞失败')
      }
    }
  }
}
</script>

<style scoped lang="less">
.article-container {
  padding: 10px;
  margin-top: 46px;
}
.art-title {
  font-size: 16px;
  font-weight: bold;
  margin: 10px 0;
}

.art-content {
  font-size: 12px;
  line-height: 24px;
  width: 100%;
  overflow-x: scroll;
  word-break: break-all;
  /deep/ img {
    width: 100%;
  }
  /deep/ pre {
    white-space: pre-wrap;
    word-wrap: break-word;
  }
}

.van-cell {
  padding: 5px 0;
  &::after {
    display: none;
  }
}

.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #f8f8f8;
  margin-right: 5px;
  border: none;
}

.like-box {
  display: flex;
  justify-content: center;
}
</style>
